2 * (C) Copyright 2000-2006
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 #include <stdio_dev.h>
38 #if defined(CONFIG_CMD_IDE)
41 #if defined(CONFIG_CMD_SCSI)
44 #if defined(CONFIG_CMD_KGDB)
47 #ifdef CONFIG_STATUS_LED
48 #include <status_led.h>
51 #ifdef CONFIG_GENERIC_MMC
55 #ifdef CONFIG_SYS_ALLOC_DPRAM
56 #if !defined(CONFIG_CPM2)
61 #if defined(CONFIG_BAB7xx)
65 #if defined(CONFIG_POST)
68 #if defined(CONFIG_LOGBUFFER)
71 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
72 #include <asm/cache.h>
78 #ifdef CONFIG_ADDR_MAP
86 #ifdef CONFIG_SYS_UPDATE_FLASH_SIZE
87 extern int update_flash_size (int flash_size);
90 #if defined(CONFIG_SC3)
91 extern void sc3_read_eeprom(void);
94 #if defined(CONFIG_CMD_DOC)
97 #if defined(CONFIG_HARD_I2C) || \
98 defined(CONFIG_SOFT_I2C)
104 static char *failed = "*** failed ***\n";
106 #if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
107 extern flash_info_t flash_info[];
110 #if defined(CONFIG_START_IDE)
111 extern int board_start_ide(void);
113 #include <environment.h>
115 DECLARE_GLOBAL_DATA_PTR;
117 #if defined(CONFIG_ENV_IS_EMBEDDED)
118 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
119 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
120 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
121 defined(CONFIG_ENV_IS_IN_NVRAM)
122 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
124 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
127 #if !defined(CONFIG_SYS_MEM_TOP_HIDE)
128 #define CONFIG_SYS_MEM_TOP_HIDE 0
131 extern ulong __init_end;
133 ulong monitor_flash_len;
135 #if defined(CONFIG_CMD_BEDBUG)
136 #include <bedbug/type.h>
139 /************************************************************************
141 ************************************************************************
145 * All attempts to come up with a "common" initialization sequence
146 * that works for all boards and architectures failed: some of the
147 * requirements are just _too_ different. To get rid of the resulting
148 * mess of board dependend #ifdef'ed code we now make the whole
149 * initialization sequence configurable to the user.
151 * The requirements for any new initalization function is simple: it
152 * receives a pointer to the "global data" structure as it's only
153 * argument, and returns an integer return code, where 0 means
154 * "continue" and != 0 means "fatal error, hang the system".
156 typedef int (init_fnc_t) (void);
158 /************************************************************************
160 ************************************************************************
161 * Some of this code should be moved into the core functions,
162 * but let's get it working (again) first...
165 static int init_baudrate (void)
167 char tmp[64]; /* long enough for environment variables */
168 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
170 gd->baudrate = (i > 0)
171 ? (int) simple_strtoul (tmp, NULL, 10)
176 /***********************************************************************/
178 void __board_add_ram_info(int use_default)
180 /* please define platform specific board_add_ram_info() */
182 void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
185 static int init_func_ram (void)
187 #ifdef CONFIG_BOARD_TYPES
188 int board_type = gd->board_type;
190 int board_type = 0; /* use dummy arg */
194 if ((gd->ram_size = initdram (board_type)) > 0) {
195 print_size (gd->ram_size, "");
196 board_add_ram_info(0);
204 /***********************************************************************/
206 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
207 static int init_func_i2c (void)
210 i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
216 #if defined(CONFIG_HARD_SPI)
217 static int init_func_spi (void)
226 /***********************************************************************/
228 #if defined(CONFIG_WATCHDOG)
229 static int init_func_watchdog_init (void)
231 puts (" Watchdog enabled\n");
235 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
237 static int init_func_watchdog_reset (void)
242 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
244 # define INIT_FUNC_WATCHDOG_INIT /* undef */
245 # define INIT_FUNC_WATCHDOG_RESET /* undef */
246 #endif /* CONFIG_WATCHDOG */
248 /************************************************************************
249 * Initialization sequence *
250 ************************************************************************
253 init_fnc_t *init_sequence[] = {
255 #if defined(CONFIG_BOARD_EARLY_INIT_F)
259 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
262 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
263 get_clocks, /* get CPU and bus clocks (etc.) */
264 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
265 && !defined(CONFIG_TQM885D)
266 adjust_sdram_tbs_8xx,
270 #ifdef CONFIG_SYS_ALLOC_DPRAM
271 #if !defined(CONFIG_CPM2)
275 #if defined(CONFIG_BOARD_POSTCLK_INIT)
279 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
280 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
281 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
288 #if defined(CONFIG_8260)
291 #endif /* CONFIG_8260 */
292 #if defined(CONFIG_MPC83xx)
296 #if defined(CONFIG_MPC5xxx)
298 #endif /* CONFIG_MPC5xxx */
299 #if defined(CONFIG_MPC8220)
303 INIT_FUNC_WATCHDOG_INIT
304 #if defined(CONFIG_MISC_INIT_F)
307 INIT_FUNC_WATCHDOG_RESET
308 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
311 #if defined(CONFIG_HARD_SPI)
317 INIT_FUNC_WATCHDOG_RESET
319 #if defined(CONFIG_SYS_DRAM_TEST)
321 #endif /* CONFIG_SYS_DRAM_TEST */
322 INIT_FUNC_WATCHDOG_RESET
324 NULL, /* Terminate this list */
327 ulong get_effective_memsize(void)
329 #ifndef CONFIG_VERY_BIG_RAM
332 /* limit stack to what we can reasonable map */
333 return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
334 CONFIG_MAX_MEM_MAPPED : gd->ram_size);
338 /************************************************************************
340 * This is the first part of the initialization sequence that is
341 * implemented in C, but still running from ROM.
343 * The main purpose is to provide a (serial) console interface as
344 * soon as possible (so we can see any error messages), and to
345 * initialize the RAM so that we can relocate the monitor code to
348 * Be aware of the restrictions: global data is read-only, BSS is not
349 * initialized, and stack space is limited to a few kB.
351 ************************************************************************
354 #ifdef CONFIG_LOGBUFFER
355 unsigned long logbuffer_base(void)
357 return CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN;
361 void board_init_f (ulong bootflag)
364 ulong len, addr, addr_sp;
367 init_fnc_t **init_fnc_ptr;
371 uchar tmp[64]; /* long enough for environment variables */
374 /* Pointer is writable since we allocated a register for it */
375 gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
376 /* compiler optimization barrier needed for GCC >= 3.4 */
377 __asm__ __volatile__("": : :"memory");
379 #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83xx) && \
380 !defined(CONFIG_MPC85xx) && !defined(CONFIG_MPC86xx)
381 /* Clear initial global data */
382 memset ((void *) gd, 0, sizeof (gd_t));
385 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
386 if ((*init_fnc_ptr) () != 0) {
392 * Now that we have DRAM mapped and working, we can
393 * relocate the code and continue running from DRAM.
395 * Reserve memory at end of RAM for (top down in that order):
396 * - area that won't get touched by U-Boot and Linux (optional)
397 * - kernel log buffer
401 * - board info struct
403 len = (ulong)&_end - CONFIG_SYS_MONITOR_BASE;
406 * Subtract specified amount of memory to hide so that it won't
407 * get "touched" at all by U-Boot. By fixing up gd->ram_size
408 * the Linux kernel should now get passed the now "corrected"
409 * memory size and won't touch it either. This should work
410 * for arch/ppc and arch/powerpc. Only Linux board ports in
411 * arch/powerpc with bootwrapper support, that recalculate the
412 * memory size from the SDRAM controller setup will have to
415 gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
417 addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize();
419 #if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
421 * We need to make sure the location we intend to put secondary core
422 * boot code is reserved and not used by any part of u-boot
424 if (addr > determine_mp_bootpg()) {
425 addr = determine_mp_bootpg();
426 debug ("Reserving MP boot page to %08lx\n", addr);
430 #ifdef CONFIG_LOGBUFFER
431 #ifndef CONFIG_ALT_LB_ADDR
432 /* reserve kernel log buffer */
433 addr -= (LOGBUFF_RESERVE);
434 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
440 * reserve protected RAM
442 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
443 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
444 addr -= (reg << 10); /* size is in kB */
445 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
446 #endif /* CONFIG_PRAM */
448 /* round down to next 4 kB limit */
450 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
453 /* reserve memory for LCD display (always full pages) */
454 addr = lcd_setmem (addr);
456 #endif /* CONFIG_LCD */
458 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
459 /* reserve memory for video display (always full pages) */
460 addr = video_setmem (addr);
462 #endif /* CONFIG_VIDEO */
465 * reserve memory for U-Boot code, data & bss
466 * round down to next 4 kB limit
471 /* round down to next 64 kB limit so that IVPR stays aligned */
472 addr &= ~(65536 - 1);
475 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
477 #ifdef CONFIG_AMIGAONEG3SE
478 gd->relocaddr = addr;
482 * reserve memory for malloc() arena
484 addr_sp = addr - TOTAL_MALLOC_LEN;
485 debug ("Reserving %dk for malloc() at: %08lx\n",
486 TOTAL_MALLOC_LEN >> 10, addr_sp);
489 * (permanently) allocate a Board Info struct
490 * and a permanent copy of the "global" data
492 addr_sp -= sizeof (bd_t);
493 bd = (bd_t *) addr_sp;
495 debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
496 sizeof (bd_t), addr_sp);
497 addr_sp -= sizeof (gd_t);
498 id = (gd_t *) addr_sp;
499 debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
500 sizeof (gd_t), addr_sp);
503 * Finally, we set up a new (bigger) stack.
505 * Leave some safety gap for SP, force alignment on 16 byte boundary
506 * Clear initial stack frame
510 s = (ulong *)addr_sp;
514 debug ("Stack Pointer at: %08lx\n", addr_sp);
517 * Save local variables to board info struct
520 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */
521 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
524 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
525 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
526 #elif defined CONFIG_MPC8220
527 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM memory */
528 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM memory */
530 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
531 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
534 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
535 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
536 bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */
538 #if defined(CONFIG_MPC5xxx)
539 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
541 #if defined(CONFIG_MPC83xx)
542 bd->bi_immrbar = CONFIG_SYS_IMMR;
544 #if defined(CONFIG_MPC8220)
545 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
546 bd->bi_inpfreq = gd->inp_clk;
547 bd->bi_pcifreq = gd->pci_clk;
548 bd->bi_vcofreq = gd->vco_clk;
549 bd->bi_pevfreq = gd->pev_clk;
550 bd->bi_flbfreq = gd->flb_clk;
552 /* store bootparam to sram (backward compatible), here? */
554 u32 *sram = (u32 *)CONFIG_SYS_SRAM_BASE;
555 *sram++ = gd->ram_size;
556 *sram++ = gd->bus_clk;
557 *sram++ = gd->inp_clk;
558 *sram++ = gd->cpu_clk;
559 *sram++ = gd->vco_clk;
560 *sram++ = gd->flb_clk;
561 *sram++ = 0xb8c3ba11; /* boot signature */
565 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
568 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
569 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
570 #if defined(CONFIG_CPM2)
571 bd->bi_cpmfreq = gd->cpm_clk;
572 bd->bi_brgfreq = gd->brg_clk;
573 bd->bi_sccfreq = gd->scc_clk;
574 bd->bi_vco = gd->vco_out;
575 #endif /* CONFIG_CPM2 */
576 #if defined(CONFIG_MPC512X)
577 bd->bi_ipsfreq = gd->ips_clk;
578 #endif /* CONFIG_MPC512X */
579 #if defined(CONFIG_MPC5xxx)
580 bd->bi_ipbfreq = gd->ipb_clk;
581 bd->bi_pcifreq = gd->pci_clk;
582 #endif /* CONFIG_MPC5xxx */
583 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
585 #ifdef CONFIG_SYS_EXTBDINFO
586 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
587 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
589 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
590 bd->bi_plb_busfreq = gd->bus_clk;
591 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
592 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
593 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
594 bd->bi_pci_busfreq = get_PCI_freq ();
595 bd->bi_opbfreq = get_OPB_freq ();
596 #elif defined(CONFIG_XILINX_405)
597 bd->bi_pci_busfreq = get_PCI_freq ();
601 debug ("New Stack Pointer is: %08lx\n", addr_sp);
606 post_bootmode_init();
607 post_run (NULL, POST_ROM | post_bootmode_get(0));
612 memcpy (id, (void *)gd, sizeof (gd_t));
614 relocate_code (addr_sp, id, addr);
616 /* NOTREACHED - relocate_code() does not return */
619 /************************************************************************
621 * This is the next part if the initialization sequence: we are now
622 * running from RAM and have a "normal" C environment, i. e. global
623 * data can be written, BSS has been cleared, the stack size in not
624 * that critical any more, etc.
626 ************************************************************************
628 void board_init_r (gd_t *id, ulong dest_addr)
634 #ifndef CONFIG_SYS_NO_FLASH
638 gd = id; /* initialize RAM version of global data */
641 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
643 /* The Malloc area is immediately below the monitor copy in DRAM */
644 malloc_start = dest_addr - TOTAL_MALLOC_LEN;
646 #ifdef CONFIG_SERIAL_MULTI
650 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
655 * Setup trap handlers
657 trap_init (dest_addr);
659 #ifdef CONFIG_ADDR_MAP
663 #if defined(CONFIG_BOARD_EARLY_INIT_R)
664 board_early_init_r ();
667 monitor_flash_len = (ulong)&__init_end - dest_addr;
671 #ifdef CONFIG_LOGBUFFER
672 logbuff_init_ptrs ();
675 post_output_backlog ();
680 #if defined(CONFIG_SYS_DELAYED_ICACHE) || defined(CONFIG_MPC83xx)
681 icache_enable (); /* it's time to enable the instruction cache */
684 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
685 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
688 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
690 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
691 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
696 #if defined(CONFIG_BAB7xx)
698 * Initialise the ISA bridge
700 initialise_w83c553f ();
703 asm ("sync ; isync");
705 mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN);
707 #if !defined(CONFIG_SYS_NO_FLASH)
710 if ((flash_size = flash_init ()) > 0) {
711 # ifdef CONFIG_SYS_FLASH_CHECKSUM
712 print_size (flash_size, "");
714 * Compute and print flash CRC if flashchecksum is set to 'y'
716 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
718 s = getenv ("flashchecksum");
719 if (s && (*s == 'y')) {
720 printf (" CRC: %08X",
721 crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)
725 # else /* !CONFIG_SYS_FLASH_CHECKSUM */
726 print_size (flash_size, "\n");
727 # endif /* CONFIG_SYS_FLASH_CHECKSUM */
733 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */
734 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
736 #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
737 /* Make a update of the Memctrl. */
738 update_flash_size (flash_size);
742 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
743 /* flash mapped at end of memory map */
744 bd->bi_flashoffset = TEXT_BASE + flash_size;
745 # elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
746 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
748 bd->bi_flashoffset = 0;
750 #else /* CONFIG_SYS_NO_FLASH */
752 bd->bi_flashsize = 0;
753 bd->bi_flashstart = 0;
754 bd->bi_flashoffset = 0;
755 #endif /* !CONFIG_SYS_NO_FLASH */
759 /* initialize higher level parts of CPU like time base and timers */
765 # if !defined(CONFIG_ENV_IS_IN_EEPROM)
771 #if defined(CONFIG_CMD_NAND)
774 nand_init(); /* go init the NAND */
777 /* relocate environment function pointers etc. */
781 * Fill in missing fields of bd_info.
782 * We do this here, where we have "normal" access to the
783 * environment; we used to do this still running from ROM,
784 * where had to use getenv_r(), which can be pretty slow when
785 * the environment is in EEPROM.
788 #if defined(CONFIG_SYS_EXTBDINFO)
789 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
790 #if defined(CONFIG_I2CFAST)
792 * set bi_iic_fast for linux taking environment variable
793 * "i2cfast" into account
796 char *s = getenv ("i2cfast");
797 if (s && ((*s == 'y') || (*s == 'Y'))) {
798 bd->bi_iic_fast[0] = 1;
799 bd->bi_iic_fast[1] = 1;
801 bd->bi_iic_fast[0] = 0;
802 bd->bi_iic_fast[1] = 0;
806 bd->bi_iic_fast[0] = 0;
807 bd->bi_iic_fast[1] = 0;
808 #endif /* CONFIG_I2CFAST */
809 #endif /* CONFIG_405GP, CONFIG_405EP */
810 #endif /* CONFIG_SYS_EXTBDINFO */
812 #if defined(CONFIG_SC3)
816 #if defined (CONFIG_ID_EEPROM) || defined (CONFIG_SYS_I2C_MAC_OFFSET)
817 mac_read_from_eeprom();
821 if ((gd->board_type >> 16) == 2)
822 bd->bi_ethspeed = gd->board_type & 0xFFFF;
824 bd->bi_ethspeed = 0xFFFF;
827 #ifdef CONFIG_CMD_NET
828 /* kept around for legacy kernels only ... ignore the next section */
829 eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr);
830 #ifdef CONFIG_HAS_ETH1
831 eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr);
833 #ifdef CONFIG_HAS_ETH2
834 eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr);
836 #ifdef CONFIG_HAS_ETH3
837 eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr);
839 #ifdef CONFIG_HAS_ETH4
840 eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr);
842 #ifdef CONFIG_HAS_ETH5
843 eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr);
845 #endif /* CONFIG_CMD_NET */
848 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
852 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
854 * Do pci configuration
859 /** leave this here (after malloc(), environment and PCI are working) **/
860 /* Initialize stdio devices */
863 /* Initialize the jump table for applications */
866 #if defined(CONFIG_API)
871 /* Initialize the console (after the relocation and devices init) */
874 #if defined(CONFIG_MISC_INIT_R)
875 /* miscellaneous platform dependent initialisations */
880 if (bd->bi_ethspeed != 0xFFFF)
881 hermes_start_lxt980 ((int) bd->bi_ethspeed);
884 #if defined(CONFIG_CMD_KGDB)
890 debug ("U-Boot relocated to %08lx\n", dest_addr);
897 /* Must happen after interrupts are initialized since
898 * an irq handler gets installed
900 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
901 serial_buffered_init();
904 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
905 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
912 /* Initialize from environment */
913 if ((s = getenv ("loadaddr")) != NULL) {
914 load_addr = simple_strtoul (s, NULL, 16);
916 #if defined(CONFIG_CMD_NET)
917 if ((s = getenv ("bootfile")) != NULL) {
918 copy_filename (BootFile, s, sizeof (BootFile));
924 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
927 #if defined(CONFIG_CMD_SCSI)
933 #ifdef CONFIG_GENERIC_MMC
939 #if defined(CONFIG_CMD_DOC)
945 #if defined(CONFIG_CMD_NET)
946 #if defined(CONFIG_NET_MULTI)
953 #if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
955 debug ("Reset Ethernet PHY\n");
960 post_run (NULL, POST_RAM | post_bootmode_get(0));
963 #if defined(CONFIG_CMD_PCMCIA) \
964 && !defined(CONFIG_CMD_IDE)
970 #if defined(CONFIG_CMD_IDE)
972 # ifdef CONFIG_IDE_8xx_PCCARD
977 #if defined(CONFIG_START_IDE)
978 if (board_start_ide())
985 #ifdef CONFIG_LAST_STAGE_INIT
988 * Some parts can be only initialized if all others (like
989 * Interrupts) are up and running (i.e. the PC-style ISA
995 #if defined(CONFIG_CMD_BEDBUG)
1000 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1002 * Export available size of memory for Linux,
1003 * taking into account the protected RAM at top of memory
1011 if ((s = getenv ("pram")) != NULL) {
1012 pram = simple_strtoul (s, NULL, 10);
1019 #ifdef CONFIG_LOGBUFFER
1020 #ifndef CONFIG_ALT_LB_ADDR
1021 /* Also take the logbuffer into account (pram is in kB) */
1022 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1025 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1026 setenv ("mem", (char *)memsz);
1030 #ifdef CONFIG_PS2KBD
1035 #ifdef CONFIG_MODEM_SUPPORT
1037 extern int do_mdm_init;
1038 do_mdm_init = gd->do_mdm_init;
1042 /* Initialization complete - start the monitor */
1044 /* main_loop() can return to retry autoboot, if so just run it again. */
1050 /* NOTREACHED - no way out of command loop except booting */
1055 puts ("### ERROR ### Please RESET the board ###\n");
1056 show_boot_progress(-30);
1061 #if 0 /* We could use plain global data, but the resulting code is bigger */
1063 * Pointer to initial global data area
1065 * Here we initialize it.
1067 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1068 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1069 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
1072 /************************************************************************/